i9 10900k reaching 70c idle temp and crashing

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So my cpu recently has started to reach idle temps of 70c and randomly crashing, when i start a benchmark it just crashes before it even starts, it is OC to 5ghz at 1.35v thats the OC that they put on pc when i got it.

Anyone know why this might be happening and what i can do to help it.
 
seems like a lot of voltage for 5Ghz if that is at 1.35v ... personally i would revert the setting back to stock in bios and go from there . Also may want to make sure contact between CPU and cooler is all good .
 
seems like a lot of voltage for 5Ghz if that is at 1.35v ... personally i would revert the setting back to stock in bios and go from there . Also may want to make sure contact between CPU and cooler is all good .

i thought that also but lowered to 1.27 and it crashed, Unless i did it wrong in bios. not to good with bios and its a lot different than my old
 
CPU burning from alive would be 100% normal symptom for failing waterhype cooler causing total lack of cooling.
Likely coolant isn't circulating either because pump is failing, or there's some blockage.
Alternatively amount of coolant in loop could have decreased too much, especially if you have radiator below block.

Anyway that slim small radiator lacks surface area for continuous full load heat output capacity of that CPU and is entirely unfit for overclocking that sauna stove of Intel.
 
CPU burning from alive would be 100% normal symptom for failing waterhype cooler causing total lack of cooling.
Likely coolant isn't circulating either because pump is failing, or there's some blockage.
Alternatively amount of coolant in loop could have decreased too much, especially if you have radiator below block.

Anyway that slim small radiator lacks surface area for continuous full load heat output capacity of that CPU and is entirely unfit for overclocking that sauna stove of Intel.

i've been trying to lower volt or turn OC off for now but i was talking to them and apparently there is OC Profiles to turn OC off but on my bios there isnt one, should be CPUK and CPUKOC but there is only 2 CPUK profiles. anyone know to to turn OC off
 
70C at idle means there's in practise zero cooling, no matter the OC.
Unless CPU is fed killer volts needing liquid nitrogen cooling.
And they certainly didn't OC that far with that low end cooler.
 
happened to me recently with an AIO, there was an airlock which cause zero coolant flow and idle temps soared within a minute to 80c.

I would check your aio, see if the pump is still working. If the pump is really loud, probably an airlock, if there's no noise at all and no vibration coming from the cpu block then might be a dead pump.
 
Just to mention when i installed my I9, it reached over 70C idle which made me undervolt and disable boost and hyperethreading to cool it down as a temporary measure, but over the days/weeks, the temp naturally reduced by itself and i enabled hyperthreading and put volts back to default. What i learned is that some thermal paste like Arctic Silver take time to settle in.
 
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